863280103 has 4 divisors (see below), whose sum is σ = 986605840. Its totient is φ = 739954368.

The previous prime is 863280097. The next prime is 863280127. The reversal of 863280103 is 301082368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 863280103 - 2⁹ = 863279591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863280403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61662858 + ... + 61662871.

It is an arithmetic number, because the mean of its divisors is an integer number (246651460).

Almost surely, 2^863280103 is an apocalyptic number.

863280103 is a deficient number, since it is larger than the sum of its proper divisors (123325737).

863280103 is a wasteful number, since it uses less digits than its factorization.

863280103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123325736.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 863280103 is about 29381.6286648647. The cubic root of 863280103 is about 952.1760286829.

The spelling of 863280103 in words is "eight hundred sixty-three million, two hundred eighty thousand, one hundred three".